28275885

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{577}}^1$

素因数の和:616

約数の個数: 60

約数和(自身を含む): 55810524

約数和(自身を除く): 27534639

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 135, 165, 297, 363, 405, 495, 577, 605, 891, 1089, 1485, 1731, 1815, 2885, 3267, 4455, 5193, 5445, 6347, 8655, 9801, 15579, 16335, 19041, 25965, 31735, 46737, 49005, 57123, 69817, 77895, 95205, 171369, 209451, 233685, 285615, 349085, 514107, 628353, 856845, 1047255, 1885059, 2570535, 3141765, 5655177, 9425295, 28275885]

約数ペア:

[(1, 28275885), (3, 9425295), (5, 5655177), (9, 3141765), (11, 2570535), (15, 1885059), (27, 1047255), (33, 856845), (45, 628353), (55, 514107), (81, 349085), (99, 285615), (121, 233685), (135, 209451), (165, 171369), (297, 95205), (363, 77895), (405, 69817), (495, 57123), (577, 49005), (605, 46737), (891, 31735), (1089, 25965), (1485, 19041), (1731, 16335), (1815, 15579), (2885, 9801), (3267, 8655), (4455, 6347), (5193, 5445)]